Proceedings 1540-7489/$-seefrontmatterÓ2004TheCombustionInstitute.PublishedbyElsevierInc.Allrightsreserved. doi:10.1016/j.proci.2004.08.250 a PusanNationalUniversity,Busan609-735,RepublicofKorea b ThePennsylvaniaStateUniversity,UniversityPark,PA16802,UnitedStates * Correspondingauthor.Fax:+182515133760. E-mailaddress:aerochoi@pusan.ac.kr(J.-Y.Choi). 1.Introduction ofthe Abstract